1 inch perforated square tubing. This 1″ x 1″ perforated square steel tube has a blue powder coated finish and comes in precut lengths of 6″ – 120″. It is 16 gauge mild steel with inch on center perforations allowing for easy modifications and repurposing of material. It can be used for shelving, The Perforated Square Tube support systems are designed to meet NCHRP 350 breakaway standards. Same and Next Day Delivery. 12 Gauge. Perforated holes are 7/16" spaced on 1" The 1″ x 1″ perforated square steel tube is a high-quality steel material with a grey powder-coated finish. The tubing is available in standardized pre-cut . The Flex Craft system is flexible and versatile. Welding, torching, or abrasive sawing galvanized steel is not The aluminum square tube is generally well-received for its good quality, durability, and versatility in various DIY projects. We manufacture only the highest quality steel to create our perforated square tubing and this attention to detail ensures our customers that they will Description Hot-dipped galvanized perforated square tube is an excellent candidate for most processing techniques. The 1″ x 1″ The 1″ x 1″ perforated square steel tube is a high-quality steel material with a blue powder-coated finish. Customers found it Punched or perforated, square tube is a hollow tube made of steel with holes punched in regular intervals. In addition, the square design allows the user Telespar standard perforated tubing comes in eight sizes, from 1-1/2" to 2-1/2" square sections. The tubing is available in standardized pre-cut lengths starting at 6″ and Choose from our selection of perforated square tube in a wide range of styles and sizes.